公开(公告)号：US20240413930A1

公开(公告)日：2024-12-12

申请号：US18704027

申请日：2022-11-09

Applicant: Hilti Aktiengesellschaft

Inventor： Stefan MAYER ,  Klaus HAUSER ,  David KOSCHECK

IPC: H04L1/00 ,  B25B21/00 ,  B25F5/00

Abstract: Method for communicating between a first participant with a first transceiver and a second participant with a second transceiver, having the method steps of transmitting a first signal from the first transceiver to the second transceiver, transmitting a second signal from the second transceiver to the first transceiver if, after determining a checksum, no error can be detected in a first component of the first signal; transmitting the first signal from the first transceiver to the second transceiver if no second signal has been received by the first transceiver after expiry of a first predetermined period of time; adjusting the first participant from a first operating state to a second operating state if no first signal is received after a second predetermined period of time or if no second signal is received after a third predetermined period of time; or transmitting a fourth signal from the first transceiver to the second transceiver in order to adjust the second participant from a first operating state to a second operating state if no first signal is received by the second transceiver after a second predetermined period of time or if no second signal is received by the first transceiver after a third predetermined period of time.

公开(公告)号：US20200212506A1

公开(公告)日：2020-07-02

申请号：US16630267

申请日：2018-07-23

Applicant: Hilti Aktiengesellschaft

Inventor： Klaus HAUSER ,  Michael CANDUSSIO ,  Stefan MAYER ,  David KOSCHECK ,  Markus FORSTNER

IPC: H01M10/42 ,  H01M10/0525 ,  H02J7/00 ,  H02J9/00 ,  B25F5/02

Abstract: Rechargeable battery for a machine tool containing at least one energy storage cell and also one switching apparatus. The rechargeable battery contains a bypass circuit which can be operated in a first and second mode, wherein the bypass circuit is in an inoperative state in the first mode, so that an electric current with a first current value passes from the at least one energy storage cell to the machine tool via the switching apparatus, and wherein the bypass circuit is in an operating state in the second mode, so that an electric current with a second current value passes from the at least one energy storage cell to the machine tool via the bypass apparatus, and wherein the first current value is greater than the second current value. The bypass circuit contains a comparator for comparing a current value which is required by the machine tool with a stored current threshold value, so that, via switching element, the bypass circuit is switched to the first mode when the current value which is required by the machine tool exceeds the threshold value and the bypass circuit is switched to the second mode when the current value which is required by the machine tool falls below the threshold value.

公开(公告)号：US20250018530A1

公开(公告)日：2025-01-16

申请号：US18714623

申请日：2022-11-11

Applicant: Hilti Aktiengesellschaft

Inventor： Ralf GREITMANN ,  Ralf MEIXNER ,  Stefan MAYER ,  John Van TAACK-TRAKRANEN ,  Mathias FRENZEL ,  Markus HOLUBARSCH ,  Klaus HAUSER

IPC: B24B47/12 ,  B24B27/08

Abstract: A power tool having a motor and an energy supply device, wherein an output current from the energy supply device to the power tool is greater than or equal to 70 amperes. The power-to-weight ratio of the power tool is in a range of greater than or equal to 0.30 kW/kg, for example. In addition, a power-to-weight ratio L of the power tool can preferably be in a range of greater than or equal to 0.30 kW/kg. In addition, a contact system for transmitting electrical energy from the energy supply device to the power tool is disclosed, wherein the contact system has at least one first contact and at least one second contact, wherein a contact area between the two contacts has a size of greater than or equal to 20 mm2.

公开(公告)号：US20250007680A1

公开(公告)日：2025-01-02

申请号：US18709560

申请日：2022-11-10

Applicant: Hilti Aktiengesellschaft

Inventor： Klaus HAUSER ,  Mathias FRENZEL ,  Markus HARTMANN ,  Robert STANGER

IPC: H04L5/16 ,  B25F5/00 ,  H01M10/42 ,  H01M50/247 ,  H04B1/40

Abstract: A power tool having at least one control device, wherein the power tool can be detachably connected to an energy supply device, wherein there is provision for at least one communication connection for the exchange of signals between a first transceiver and a second transceiver by using serial digital communication, wherein the energy supply device comprises at least one energy storage cell and the at least one cell has a nominal capacity of at least 1.5 ampere hours, and also a surface A and a volume V, the surface A of the at least one cell being greater than eight times the cube root of the square of the volume V of the at least one cell. A system that includes such a power tool and an energy supply device is also provided.

公开(公告)号：US20200280106A1

公开(公告)日：2020-09-03

申请号：US16645265

申请日：2018-08-27

Applicant: Hilti Aktiengesellschaft

Inventor： Klaus HAUSER ,  Michael CANDUSSIO ,  Stefan MAYER ,  David KOSCHECK

IPC: H01M10/42 ,  H01M10/44

Abstract: A method for controlling a rechargeable battery on a machine tool contains the steps of: setting the control electronics of the rechargeable battery to a deactivation mode, with the result that no current flows from the rechargeable battery into the control electronics and to the machine tool; transmitting at least one signal from the machine tool to the rechargeable battery via the first and second communication lines; activating the wake-up circuit for activating control electronics by detecting a voltage value from the first or second communication line, wherein the voltage value corresponds to either the dominant or the recessive state of the first or second communication line; setting the control electronics of the rechargeable battery to an activation mode via the wake-up circuit; and enabling current to be drawn from the rechargeable battery by the machine tool. A system containing a rechargeable battery and a machine tool, a rechargeable battery and a machine tool for carrying out the method are also provided.

公开(公告)号：US20250158422A1

公开(公告)日：2025-05-15

申请号：US18722608

申请日：2023-01-02

Applicant: Hilti Aktiengesellschaft

Inventor： Stefan MAYER ,  David KOSCHECK ,  Klaus HAUSER

IPC: H02J7/00

Abstract: A method for charging a power supply device using a charging device, wherein the power supply device has a series of energy storage cells, as well as a control electronics system (CMS). A system for carrying out the charging method, wherein the system includes a power supply device and a charging device. The control electronics of the power supply device is designed to monitor currents and/or voltages of the power supply device and/or its energy storage cells, and to communicate with the charging device. Within the context of the charging method, an energy storage cell is selected, wherein a transition from a first charging phase to a second charging phase of the charging process is initiated on the basis of the voltage of the selected energy storage cell.

公开(公告)号：US20250010449A1

公开(公告)日：2025-01-09

申请号：US18705795

申请日：2022-11-10

Applicant: Hilti Aktiengesellschaft

Inventor： Mathias FRENZEL ,  David KOSCHECK ,  Klaus HAUSER ,  Stefan MAYER ,  Andreas GUGGEMOS ,  Franz MÖSSNANG

IPC: B25F5/00 ,  H02J7/00

Abstract: Control method for a rechargeable battery that has an interface for communicating with a handheld power tool and for supplying power to the handheld power tool, wherein a machine characteristic value characterizing the handheld power tool is received via the interface of the rechargeable battery, the machine characteristic value representing at least one physical property of the handheld power tool, and the rechargeable battery being activated to deliver electrical energy to the handheld power tool if a logic circuit of the rechargeable battery determines that a system characteristic value, which is based on the machine characteristic value and on a rechargeable battery characteristic value representing a physical property of the rechargeable battery, exceeds or falls short of a predefined safety threshold.

公开(公告)号：US20220288764A1

公开(公告)日：2022-09-15

申请号：US17638993

申请日：2020-09-14

Applicant: Hilti Aktiengesellschaft

Inventor： Klaus HAUSER ,  David KOSCHECK ,  Stefan MAYER ,  Michael CANDUSSIO

IPC: B25F5/02 ,  H01M50/247 ,  H01M10/42

Abstract: A power tool with at least one control device and at least one communication circuit for exchanging signals in a half-duplex mode with a first and a second communication line for differential communication between at least a first transceiver and a second transceiver. A system including a power tool with at least one control device and a rechargeable battery with at least one set of control electronics, the rechargeable battery being designed for supplying the power tool with electrical energy. The system includes at least one communication circuit for exchanging signals in a half-duplex mode with a first and a second communication line for differential communication between at least a first transceiver and a second transceiver.

公开(公告)号：US20220077547A1

公开(公告)日：2022-03-10

申请号：US17276031

申请日：2019-10-10

Applicant: Hilti Aktiengesellschaft

Inventor： Nora MARTINY ,  Matthias LEPIORZ ,  Bernd ZIEGLER ,  Kathrin SAX ,  Robert STANGER ,  Moses ENDER ,  Klaus HAUSER

IPC: H01M50/528 ,  H01M50/581

Abstract: A pouch cell having at least one connection electrode via which the pouch cell can be electrically contacted, wherein the pouch cell includes a current interrupter configured, by virtue of a thermally induced change in its geometric dimensioning, at least temporarily to interrupt drawing of current via the connection electrode. Preferably, the current interrupter includes a material having a negative coefficient of thermal expansion, wherein the thermally induced change in its geometric dimensioning is brought about by a change in a pouch cell temperature.

公开(公告)号：US20210218072A1

公开(公告)日：2021-07-15

申请号：US17058901

申请日：2019-06-25

Applicant: Hilti Aktiengesellschaft

Inventor： Matthias LEPIORZ ,  Robert STANGER ,  Moses ENDER ,  Bernd ZIEGLER ,  Klaus HAUSER ,  Nora MARTINY ,  Kathrin SAX

IPC: H01M10/42 ,  H01M50/211 ,  H01M50/502

Abstract: A rechargeable battery pack having at least one pouch cell, wherein the rechargeable battery pack has at least one interrupter, which is designed to at least temporarily interrupt a current draw from the pouch cell and/or from the rechargeable battery pack, wherein the interrupter is tripped by an expansion of the at least one pouch cell.